43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* misc.h
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* Header file for misc.c
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* Copyright (C) 2004-2005 Simon Newton
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*/
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#ifndef ARTNET_MISC_H
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#define ARTNET_MISC_H
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#include <errno.h>
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#include <string.h>
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extern char artnet_errstr[256];
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void artnet_error(const char *fmt, ...);
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int32_t artnet_misc_nbytes_to_32(uint8_t bytes[4]);
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void artnet_misc_int_to_bytes(int data, uint8_t *bytes);
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// check if the node is null and return an error
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#define check_nullnode(node) if (node == NULL) { \
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artnet_error("%s : argument 1 (artnet_node) was null" , __FUNCTION__ ); \
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return ARTNET_EARG; \
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}
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#define artnet_error_malloc() artnet_error("%s : malloc error %s" , __FUNCTION__, strerror(errno) )
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#define artnet_error_realloc() artnet_error("%s : realloc error %s" , __FUNCTION__, strerror(errno) )
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#define artnet_error_nullnode() artnet_error("%s : argument 1 (artnet_node) was null" , __FUNCTION__ )
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#endif
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